hasGroupIdsRepeated method
Verify if has any group with id repeat
groups
list of groups
Implementation
hasGroupIdsRepeated(List<Group>? groups) {
if (groups != null) {
for (Group group in groups) {
final size = groups.where(
(g) => g.id == group.id,
);
if (size.length > 1) return true;
}
}
return false;
}